This proposal outlines the development and deployment of a Field-Programmable Gate Array (FPGA)-based Software-Defined Radio (SDR) system for individual radios, receivers, and base stations within military operations. The integration of FPGA technology with SDR offers enhanced flexibility, performance, and adaptability in various military communication scenarios. This solution aims to provide a robust, scalable, and secure communication infrastructure that can adapt to evolving threats and operational requirements.

Objectives

    • Enhance Communication Flexibility: Utilize FPGA-based SDR to support multiple communication standards and waveforms.
    • Improve Performance: Leverage the high processing power of FPGAs to achieve low-latency and high-throughput communication.
    • Increase Security: Implement advanced encryption and secure communication protocols.
    • Scalability and Adaptability: Develop a system that can be easily upgraded and reconfigured to meet changing operational needs.

System Architecture

The proposed system consists of three primary components: individual radios, receivers, and base stations.

System Diagram_工作區域 1

Individual Radios

Design: Portable, rugged, and lightweight devices suitable for field operations.

Capabilities:

    • Multi-band support for VHF, UHF, and HF frequencies.
    • Real-time reconfigurability to switch between different communication protocols.
    • Integration with GPS for location tracking and synchronization.
    • Enhanced security features including AES-256 encryption.

FPGA Role:

    • Implement signal processing tasks such as modulation/demodulation, encoding/decoding, and filtering.
    • Enable on-the-fly reprogramming for different waveforms and protocols.
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Receivers

Design: Stationary or portable units designed to intercept and decode signals.

Capabilities:

    • Wideband frequency coverage to monitor multiple channels simultaneously.
    • Advanced signal processing to detect and analyze weak or hidden signals.
    • Integration with intelligence and surveillance systems.

FPGA Role:

    • High-speed signal processing to handle multiple channels and complex waveforms.
    • Real-time data analysis and pattern recognition.
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Base Stations

Design: Fixed or mobile units serving as communication hubs.

Capabilities:

    • Support for high data rate communication links.
    • Network management functions including routing and relay.
    • Centralized control and monitoring of individual radios and receivers.

FPGA Role:

    • Manage high-volume data traffic with low latency.
    • Implement complex network protocols and adaptive routing algorithms.
    • Ensure secure communication links and network integrity.
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Technical Specifications

FPGAs: SoC FPGA

JPEG video compression with dynamic compression factor

Operating Frequency: 600 MHz

Data rates of 19.2 Mbps

Data Rate: Up to 1 Gbps

Correlation based frequency and phase correction

Encryption: AES-256

Wireless transmission of text or image files

Interfaces: USB, Ethernet

UART GUI to transmit and receive the data

Wireless transmission of live video at 1280×720 30 fps

Custom Packetization and Depacketization Method

Power Supply: Rechargeable battery-operated for individual radios with 12-15 hours of usage time, AC/DC for receivers and base stations.

FEC encoding to correct data transmission errors

Development and Implementation Plan

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Research and Development:

    • Detailed requirements analysis and system design.
    • Selection of appropriate FPGA and SDR platforms.
    • Development of core SDR functions and FPGA programming.

Prototype Development:

    • Fabrication of individual radio, receiver, and base station prototypes.
    • Integration of FPGA and SDR components.
    • Initial testing and validation of prototypes.
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Testing and Validation:

    • Field testing in various operational scenarios.
    • Performance evaluation and optimization.
    • Security assessment and enhancement

Prototype Development:

    • Mass production of finalized designs.
    • Deployment and training for military personnel.
    • Ongoing support and system updates.

Benefits:

    • Operational Flexibility: Adapt to different mission requirements and environments.
    • Enhanced Performance: Improved communication reliability and speed.
    • Security: Robust protection against interception and jamming.
    • Cost-Effectiveness: Long-term savings through reconfigurability and upgradeability.

Implementing FPGA-based SDRs in military communication systems offers significant advantages in terms of flexibility, performance, and security. This proposal outlines a comprehensive approach to developing and deploying such systems, ensuring that military operations can adapt to current and future communication challenges effectively.